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#1
June 3rd 04, 08:00 PM
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Single or multi hole off-axis filters?
I'm constructing an off-axis solar filter for my SCT. Would more holes be
better than one? I would think so, but don't know if it's that simple. Here's an image in case there's some confusion: http://www.mindspring.com/~jeffpo4/OffAxisFilters.jpg Also, do the holes have to be circular? Thanks, Jeff http://www.mindspring.com/~jeffpo 
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